This year, the aim of study was to know the effect of professional oral care by dental staff for impatints who had haematological disease.Subjects were fourteen inpatients in Tokyo Metropotitan Gerontalogy.Inpatients were given and and asessed oral condition, physical state and candida level on tonge by dentist weekly.The results were obtained as follow.The effect was that the mouth was keep clean.Now that, oral care program for aged persons with malignant haematological diseases was directed to patients, before chemical therapy dentist had to aseess the oral contition and dental cure, during chemical therapy dental hygiene staff and nurse advice to patients what oral care method and oral care goods.After chemical therapy, dentist, medical doctor and nurse had to asesess patients on oral condition.以上のことにより、免疫機能低下患者の口腔ケアプログラムとして、病気の治療前に歯科医師の口腔状態のチェックと歯科疾患治療を済ませ、化学療法中は本人にあった口腔内の清潔方法を歯科医師と看護婦が指導する。本人が自立できれば、定期的な口腔内の評価を看護婦が行い、自立度の低下とともに看護婦が責任をもってターミナルケアの口腔ケアに移行すればよい、ということがいえた。